[Bug target/106022] [12/13 Regression] Enable vectorizer generates extra load

[hjl.tools at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106022

--- Comment #1 from H.J. Lu <hjl.tools at gmail dot com> ---
SLP thinks that it needs 4 stores to store 4 bytes of integer constant.
But it takes only 1 4-byte store.